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Finding the Fourth Proportional to 104,783.82, 144,595.80 and 57,034.32

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Solution

The fourth proportional to 104,783.82, 144,595.80 and 57,034.32 is: 78,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,783.82 : 144,595.80 = 57,034.32 : x
  2. Step 2: Convert to fraction form
    104,783.82/144,595.80 = 57,034.32/x
  3. Step 3: Cross multiply
    104,783.82x = 144,595.80 × 57,034.32
  4. Step 4: Simplify right side
    104,783.82x = 8,246,923,127.86
  5. Step 5: Solve for x
    x = 8,246,923,127.86/104,783.82
  6. Step 6: Final answer
    x = 78,704.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.